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WO2008000553A1 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

Info

Publication number
WO2008000553A1
WO2008000553A1 PCT/EP2007/054890 EP2007054890W WO2008000553A1 WO 2008000553 A1 WO2008000553 A1 WO 2008000553A1 EP 2007054890 W EP2007054890 W EP 2007054890W WO 2008000553 A1 WO2008000553 A1 WO 2008000553A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
control device
membrane
sensor
transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2007/054890
Other languages
German (de)
English (en)
Inventor
Karl Smirra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Continental Automotive GmbH
Siemens Corp
Original Assignee
Siemens AG
Continental Automotive GmbH
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Continental Automotive GmbH, Siemens Corp filed Critical Siemens AG
Publication of WO2008000553A1 publication Critical patent/WO2008000553A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0239—Electronic boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H59/70—Inputs being a function of gearing status dependent on the ratio established
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/068—Hermetically-sealed casings having a pressure compensation device, e.g. membrane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox

Definitions

  • the invention relates to a control device.
  • Control devices are used for example in the automotive sector for controlling an internal combustion engine or also for controlling a shift ⁇ gearbox of a motor vehicle.
  • a position of a selector lever is to be detected, which is representative of a driver's request.
  • corresponding actuators for setting a corresponding gear ratio are then controlled.
  • control devices In such control devices often the requirement is a housing interior of the control device fluid- tight form to protect optionally therein elekt ⁇ generic or electronic components.
  • the object of the invention is to provide a control device which is simple and reliable.
  • the invention is characterized by a control device with a housing which comprises a housing interior, in which a sensor element of a position sensor is arranged.
  • Fer ⁇ ner is a donor element of the position sensor is provided, which is arranged outside of the housing interior.
  • a membrane which is formed and arranged ⁇ order that it seals the housing interior fluid-tight from ei ⁇ nem area in which the transmitter element is arranged, and which is formed separately from the housing.
  • the membrane thus makes it possible to select the distance between the transmitter element and sensor element suitably low for the required sensing requirements, which advantageously makes it possible, for example, to use an AMR or Hall-based position sensor, which is particularly cost-effective.
  • the membrane has a maximum thickness of about 0.8 millimeters. In this way, it can be reliably produced and thus an optionally small necessary distance between the transmitter element and the sensor element can be safely maintained.
  • the membrane is a microporous membrane which is vapor-permeable.
  • a pressure equalization between the housing interior and the surrounding area outside of the housing possible.
  • it can be ensured even at ⁇ example, greater temperature fluctuations that too high pressure peaks are avoided within the housing space, which could lead to damage arranged in the housing interior elements, such as a conductor carrier.
  • damage to the membrane can be reliably avoided.
  • a microporous membrane which is permeable to vapor is preferred as the membrane.
  • the membrane is preferably formed from mechanically expanded polytetrafluoroethylene. It has been shown here that this is particularly well suited for this purpose.
  • the transmitter element is arranged on a driver element which is mounted in the recess of the housing.
  • the driver element is designed and arranged so that it protects the membrane from mechanical effects and / or contamination. In this way, it takes on a dual function and thus contributes to the simple design of the control device and protects the membrane from mechanical effects and / or contamination.
  • the membrane is coupled to the housing by laser welding. This allows a very compact design to be simple and precise.
  • the membrane with the housing is caulked hot. This he ⁇ allows a particularly low thickness of the membrane.
  • the membrane is arranged on a ring element which is coupled to the housing. So a particularly easy handling during installation of the membrane or the housing is ensured especially when Her ⁇ position of the controller.
  • FIG. 1 shows a first view of a control device
  • FIG. 2 shows a second view of the control device
  • FIG. 3 shows a first sectional view of the control device
  • Figure 4 is a second sectional view of the control device and Figure 5 is a further sectional view of an alternative embodiment of the control device.
  • a control device is preferably used for controlling a gearbox of a vehicle.
  • a gearbox of a vehicle For the determ ⁇ ed usage it is mounted in a vehicle, and indeed preferably such that a linkage of a selector lever for the shifting position of an automatic transmission can be coupled mechanically to the control device.
  • the controller can also be used for any other purpose is ⁇ uses, such as for controlling an internal combustion engine or other actuators, which are ⁇ classified in the vehicle. In addition, they can also be used for other control ⁇ purposes that are known to the expert.
  • the control device is assigned to at least one actuator, independently of its use, and is preferably designed to generate a control signal for the at least one actuator.
  • the at least one actuator can also be an output unit.
  • the control device ( Figure 1) comprises a housing base 1, which is preferably formed of metal and preferably has ei ⁇ ne good thermal conductivity for dissipating heat, the is generated within the control device.
  • the housing base part preferably also cooling ⁇ ribs 6, which are provided for increasing the surface area of the housing ⁇ basic part 1.
  • control device also comprises a housing cover 2, which is sealingly coupled to the housing base part 1, for example by providing a circumferential inserting seal between the housing base part 1 and the housing cover 2.
  • the housing base 1 is penetrated by a plug 4 for electrical contacting of the control device from the outside ( Figure 2).
  • the control device comprises a housing interior 8, which is enclosed by the housing base 1 and the housing cover 2.
  • the housing interior 8 is sealed fluid-tight to the surroundings of the control device.
  • a conductor carrier 10 is arranged, which is preferably fi ⁇ xiert on the housing base part 1 ⁇ . He is preferably on the housing base 1 aufla ⁇ minimized and good thermally gekop ⁇ pelt with the housing base 1, so as to ensure a good heat dissipation. Depending on the design of the conductor support 10, this can be fixed to different ⁇ Liche way on the housing base part 1.
  • the conductor carrier 10 is preferably formed as a ceramic conductor carrier, but may also be formed on another be ⁇ known for this purpose manner, such as a PCB circuit board.
  • the position sensor can be designed to detect a rotational or translational position. It is designed to detect a rotational position.
  • the position sensor comprises a transmitter element 12 and a sensor element 14, which is preferably integrated on a sensor chip.
  • the sensor element 14 is arranged on the conductor carrier 10 ⁇ .
  • the position sensor is based on a non-contact sensing principle.
  • the encoder element 12 is formed for example as a permanent magnet.
  • the sensor element 14 is be ⁇ vorzugt a Hall-based element or AMR sensor element.
  • By changing the position of the transmitter element 12 thus changes the magnetic flux density, which passes through the Hall-based element in a plane, for example, perpendicular to the end face of the transmitter element 12.
  • a direction of the magnetic field strength for determining the position of the transmitter element 12 is then detected.
  • the transmitter element 12 is arranged in a recess 16 of the housing, specifically on a driver element 18, which is arranged on ⁇ , that it can perform a rotational or translational movement.
  • the driver element is designed and arranged such that it can perform a rotational movement with respect to an axis 28.
  • the driver element is further to be ⁇ forms a shaft end receiving form-fitting manner and thus to change its position depending on a rotation of the shaft.
  • the shaft is preferably part of a shift linkage of a selector lever.
  • the driver element 18 is preferably rotatable gela ⁇ Gert by means of a Ringplat ⁇ te 20 between this and the housing cover 2.
  • the annular plate 20 is preferably fixed by means of at least ei ⁇ nes fastener 24 on the housing cover 2.
  • the transmitter element 12 is arranged on a sensor element 14 hinge ⁇ facing side 26 of the cam element 18th Zvi ⁇ 's transmitter element 12 and sensor element 14 is disposed a membrane 30 in such a manner that they are fluid-tight seals from the housing inner space 8, the recess sixteenth
  • the membrane is a thin partition.
  • the membrane preferably has a thickness, in relation to the axis 28 of approximately 0.8 mm maximum. Depending on the circumstances, the membrane may also have a significantly lower thickness, for example, preferably between about 0.1 and 0.3 millimeters and in particular between about 0.2 and 0.3 millimeters. It is formed as a separate part separate to the housing cover 2 and fixed to it for example by means of ⁇ a weld 32 ( Figure 4), which is preferably made by laser welding or friction welding.
  • the housing cover 2 is preferably a molded part and is manufactured in ⁇ example of plastic. However, it can also be made of another material, such as metal, in particular ⁇ special aluminum. Preferably, the Gezza ⁇ seteil is made of aluminum and is for example produced by means of die-casting or ⁇ Extrudierprofil.
  • the housing ⁇ basic part 1 can also be made of plastic or aluminum, in particular in the form of an aluminum diecasting, Herge ⁇ provides.
  • the membrane 30 is preferably made by means of rolling or rolling. For example, it may also comprise a non-ferromagnetic material, such as aluminum.
  • the transmitter element 12 and the Sensorele ⁇ element 14 are preferably substantially flush with one another, in particular with regard to the axis 28, disposed as it is for example shown with reference to FIG. 4
  • the transmitter element 12 has a distance to the sensor element 14 of approximately 0.5 millimeters relative to the axis 28.
  • the distance can also be slightly lower or depending on the application still significantly higher and, for example, up to about one millimeter or optionally up to about two millimeters.
  • the membrane is a microporous membrane which is vapor permeable.
  • the pores of the microporous membrane are formed such that they substantially un twistläs ⁇ sig for fluid, in particular for fluid drops are, however, allow the passage of steam.
  • Such microporous Memb ⁇ rane may for example be formed so that they have approximately the 9 billion pores per square inch and each of them about 20,000 times smaller than a Wassertrop ⁇ fen.
  • the membrane 30 is thus breathable.
  • the microporous membrane is designed as mechanically expanded polytetrafluoroethylene (PTFE). This may for example have a thickness of 0.1 to 0.3 millimeters.
  • the membrane 30 can also be attached to the housing by means of hot caulking. cover 2 be fixed or in principle be coupled with this by means of an adhesive bond.
  • the membrane 30 may be fixed and to be tensioned to this and also be fixed to the annular element by means of one of the above already disclosed connection ⁇ or fixing also on a ring member 34 (see Figure 5), in which case the ring element is fastened to the housing cover 2 and that e- b Kennedy means of the above-described connection ⁇ or fixing.
  • the membrane when the membrane is a microporous membrane, which is vapor permeable, it can be avoided that must be provided in the housing Ge ⁇ a further recess, which has to be provided only for the purpose of receiving a pressure-equalizing element.
  • the membrane can thus perform a multiple function and this design thus contributes particularly to a cost-effective and compact design of the control device.
  • AMR and Hall-based position sensors are characterized by very high reliability and robustness and at the other hand, ⁇ is also characterized by its cost-effectiveness. By providing the driver 18 and a mechanical protection against contamination of the membrane 30 is particularly easy to ensure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Transmission Device (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

Dispositif de commande comprenant un boîtier muni d'un espace intérieur de boîtier (8) dans lequel est agencé un élément capteur (12) d'un capteur de position. Le dispositif de commande comprend en outre un élément transmetteur (12) du capteur de position, ledit élément étant agencé à l'extérieur de l'espace intérieur de boîtier (8). Entre l'élément transmetteur (12) et l'élément capteur (14), une membrane (30) est disposée au niveau d'un creux (16) du boîtier, laquelle est conçue et agencée de telle manière qu'elle rend étanche aux fluides l'espace intérieur de boîtier (8) par rapport à une zone dans laquelle l'élément transmetteur (12) est agencé, et ladite membrane est conçue séparément du boîtier.
PCT/EP2007/054890 2006-06-29 2007-05-21 Dispositif de commande Ceased WO2008000553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610029977 DE102006029977B3 (de) 2006-06-29 2006-06-29 Steuervorrichtung
DE102006029977.9 2006-06-29

Publications (1)

Publication Number Publication Date
WO2008000553A1 true WO2008000553A1 (fr) 2008-01-03

Family

ID=38521154

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/054890 Ceased WO2008000553A1 (fr) 2006-06-29 2007-05-21 Dispositif de commande

Country Status (2)

Country Link
DE (1) DE102006029977B3 (fr)
WO (1) WO2008000553A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015206480A1 (de) 2015-04-10 2016-10-13 Robert Bosch Gmbh Steuergerät
DE102023210273A1 (de) * 2023-10-19 2025-04-24 Zf Friedrichshafen Ag Hochvoltvorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415133C1 (de) * 1994-04-29 1995-06-01 Siemens Ag Steuergerät für ein automatisches Getriebe
DE19745537A1 (de) * 1997-10-15 1999-04-22 Siemens Ag Elektronisches Steuergerät zur Unterbringung in einem Kraftfahrzeug-Automatikgetriebe
EP1533189A2 (fr) * 2003-11-24 2005-05-25 Siemens AG Österreich Dispositif de commande pour automobile
US20060023426A1 (en) * 2004-07-29 2006-02-02 Aisin Aw Co., Ltd. Automatic transmission electronic control device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3206204B2 (ja) * 1992-05-22 2001-09-10 株式会社デンソー スロットルポジションセンサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415133C1 (de) * 1994-04-29 1995-06-01 Siemens Ag Steuergerät für ein automatisches Getriebe
DE19745537A1 (de) * 1997-10-15 1999-04-22 Siemens Ag Elektronisches Steuergerät zur Unterbringung in einem Kraftfahrzeug-Automatikgetriebe
EP1533189A2 (fr) * 2003-11-24 2005-05-25 Siemens AG Österreich Dispositif de commande pour automobile
US20060023426A1 (en) * 2004-07-29 2006-02-02 Aisin Aw Co., Ltd. Automatic transmission electronic control device

Also Published As

Publication number Publication date
DE102006029977B3 (de) 2008-01-17

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